CA2559978A1 - Systeme de detection de copie utilisant des correlations de modeles de detection de copie - Google Patents

Systeme de detection de copie utilisant des correlations de modeles de detection de copie Download PDF

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Publication number
CA2559978A1
CA2559978A1 CA002559978A CA2559978A CA2559978A1 CA 2559978 A1 CA2559978 A1 CA 2559978A1 CA 002559978 A CA002559978 A CA 002559978A CA 2559978 A CA2559978 A CA 2559978A CA 2559978 A1 CA2559978 A1 CA 2559978A1
Authority
CA
Canada
Prior art keywords
cdp
captured
document
expected
correlation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002559978A
Other languages
English (en)
Inventor
Bertrand Haas
Claude Zeller
Zhijie Xu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pitney Bowes Inc
Original Assignee
Pitney Bowes Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pitney Bowes Inc filed Critical Pitney Bowes Inc
Publication of CA2559978A1 publication Critical patent/CA2559978A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • G06T1/0064—Geometric transfor invariant watermarking, e.g. affine transform invariant
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • G06T1/0078—Robust watermarking, e.g. average attack or collusion attack resistant using multiple thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/0005—Methods therefor in service, i.e. during normal operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0065—Extraction of an embedded watermark; Reliable detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0081—Image watermarking whereby both original and watermarked images are required at decoder, e.g. destination-based, non-blind, non-oblivious

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Analysis (AREA)
  • Facsimile Image Signal Circuits (AREA)
CA002559978A 2005-09-30 2006-09-18 Systeme de detection de copie utilisant des correlations de modeles de detection de copie Abandoned CA2559978A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/240,889 2005-09-30
US11/240,889 US7787152B2 (en) 2005-09-30 2005-09-30 Copy detection system using correlations of copy detection patterns

Publications (1)

Publication Number Publication Date
CA2559978A1 true CA2559978A1 (fr) 2007-03-30

Family

ID=37496086

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002559978A Abandoned CA2559978A1 (fr) 2005-09-30 2006-09-18 Systeme de detection de copie utilisant des correlations de modeles de detection de copie

Country Status (3)

Country Link
US (1) US7787152B2 (fr)
EP (1) EP1770979A3 (fr)
CA (1) CA2559978A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7715045B2 (en) 2006-10-31 2010-05-11 Pitney Bowes Inc. System and methods for comparing documents
US20080158588A1 (en) 2006-12-27 2008-07-03 Pitney Bowes Incorporated Method and system for generating copy detection pattern having a fixed component and dynamic component
DE102009016194A1 (de) * 2008-04-23 2009-10-29 Heidelberger Druckmaschinen Ag Verfahren zur Herstellung eines Sicherheitsmerkmals auf einem flachen Substrat
US8335744B2 (en) * 2008-09-26 2012-12-18 Pitney Bowes Inc. System and method for paper independent copy detection pattern
US8705736B2 (en) * 2008-12-31 2014-04-22 Pitney Bowes Inc. Image encryption for print-and-scan channels using pixel position permutation
DE102010041928A1 (de) 2010-10-04 2012-04-05 Robert Bosch Gmbh Mehrdimensionaler Schwingungstilger
JP2022126334A (ja) * 2021-02-18 2022-08-30 キヤノン株式会社 画像処理装置、画像処理方法及びプログラム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3607521B2 (ja) 1999-03-24 2005-01-05 株式会社東芝 電子透かし埋込装置、電子透かし検出装置、デジタル情報配布装置及び記憶媒体
US6782116B1 (en) 2002-11-04 2004-08-24 Mediasec Technologies, Gmbh Apparatus and methods for improving detection of watermarks in content that has undergone a lossy transformation
MXPA04011277A (es) 2002-05-14 2006-02-22 Mediasec Technologies Gmbh Patrones de autenticacion visibles para documento impreso.
US7937588B2 (en) 2004-01-06 2011-05-03 Thomson Licensing Techniques for detecting, analyzing, and using visible authentication patterns
US7668334B2 (en) * 2004-07-02 2010-02-23 Digimarc Corp Conditioning imagery to better receive steganographic encoding

Also Published As

Publication number Publication date
US7787152B2 (en) 2010-08-31
EP1770979A3 (fr) 2007-12-19
US20070076239A1 (en) 2007-04-05
EP1770979A2 (fr) 2007-04-04

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued